This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 7 |
| 3 | 41 |
| 4 | 239 |
| 5 | 3055 |
| 6 | 6665 |
| 7 | 9545 |
| 8 | 9855 |
| 9 | 26095 |
| 10 | 34697 |
| 11 | 155287 |
| 12 | 380511 |
| 13 | 421655 |
| 14 | 627215 |
| 15 | 814463 |
| 16 | 823537 |
| 17 | 1166399 |
| 18 | 1204281 |
| 19 | 1256489 |
| 20 | 1289441 |
| 21 | 1815073 |
| 22 | 2265353 |
| 23 | 2544697 |
| 24 | 2627343 |
| 25 | 3132935 |
| 26 | 3188809 |
| 27 | 3762639 |
| 28 | 4647985 |
| 29 | 4730879 |
| 30 | 4963127 |
| 31 | 4995569 |
| 32 | 5054015 |
| 33 | 5143945 |